Bernard Katz Geodes And Minerals

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Collection of Mineral Specimens: A group of geological specimens including polished bumblebee jasper, a heat-treated amethyst cluster, a desert rose selenite cluster on an acrylic mount, and a lepidolite specimen. The assortment also

2026

Collection of Mineral Specimens

Kellie's Estate SalesOkemos, MI

Amethyst Crystal Geode Cluster: A natural amethyst geode cluster with smoky purple pointed crystal terminations and a hint of golden mineral inclusion, set on a druzy base. Approximately 3-4 inches wide, shown beside a quarter for s

2026

Amethyst Crystal Geode Cluster

Col. Christie Hatman AuctioneersThayer, MO

Amethyst Crystal Cluster Geode: A 58-gram natural amethyst geode specimen with a gray rock exterior and a cluster of purple and clear pointed crystals.

2026

Amethyst Crystal Cluster Geode

Col. Christie Hatman AuctioneersThayer, MO

Natural Agate-Lined Geode Specimen with Druzy Crystal Interior: A hollow geode specimen split to reveal a pink and white druzy quartz-lined interior beneath a dark, mottled exterior crust. Auction tag lists weight at 52 grams. Measures roughly 3 inches, shown with

2026

Natural Agate-Lined Geode Specimen with Druzy Crystal Interior

Col. Christie Hatman AuctioneersThayer, MO

Natural Agate Geode Bookends Polished Banded Chalcedony Druzy Pair: A handsome matched pair of natural agate geode bookends, each displaying beautifully polished banded chalcedony faces contrasted against the original rough stone matrix. Substantial in both scale and

2026

Natural Agate Geode Bookends Polished Banded Chalcedony Druzy Pair

Athena Vale Buckeye, AZ

POLISHED GEODE BOOKENDS GROUPING: (6) Polished geode bookends. 3 pairs. 20th century. Dimensions: H 6.25" x W 3.5" Condition: Scuffs and nicks. Wear consistent with age.

2026

POLISHED GEODE BOOKENDS GROUPING

Westport AuctionNorwalk, CT

A collection of seven stone spheres: A collection of seven stone spheres, with stands, spheres between 3"dia and 5.5"dia [14 total]

2026

A collection of seven stone spheres

Clars AuctionsOakland, CA

Pair of Large Blue Agate Geode Bookends: Matching pair of agate geode bookends featuring rich blue tones with natural banding and crystalline interiors. Each piece is cut and polished flat on one side, with the raw outer edge left intact for

2026

Pair of Large Blue Agate Geode Bookends

Donny Malone AuctionsSaugerties, NY

Rock Crystal & Hardstone Eggs 7pc LOT: Collection of seven polished rock crystal and other hardstone egg sculptures including amethyst, carnelian, rhodochrosite, and other natural stones, each displayed on a decorative wood stand. The rock

2026

Rock Crystal & Hardstone Eggs 7pc LOT

MiddleManBrokers Inc.Sunrise, FL

Blue Opal Bornite and Calcite Mineral Specimens: 8.8lbs

2026

Blue Opal Bornite and Calcite Mineral Specimens

Davis Brothers AuctionMissoula, MT

Collection of Montana Agates and Cab Material: 11.2lbs

2026

Collection of Montana Agates and Cab Material

Davis Brothers AuctionMissoula, MT

2 Quartz And Amethyst Geode Clusters: 2 Quartz And Amethyst Geode Clusters. Sizes From: 2.5'' x 3.5'' x 3.5'' (6 x 9 x 9 cm); To: 2.5'' x 5'' x 4.5'' (6 x 13 x 11 cm). Total Weight: 759 g.

2026

2 Quartz And Amethyst Geode Clusters

Material CulturePhiladelphia, PA

CAVE GEODES NATURAL CRYSTAL GEODE SPECIMEN FOR COLLECTORS: These cave geodes offer natural crystal-lined interiors prized by rock and mineral collectors. A wonderful find for rockhounds, crystal collectors, and anyone who loves cracking into natural geodes. S

2026

CAVE GEODES NATURAL CRYSTAL GEODE SPECIMEN FOR COLLECTORS

Col. Christie Hatman AuctioneersThayer, MO

MIXED LOT ROCK STONE LAPIDARY SPECIMEN GRAB BAG OF NATURAL MINERALS FOR COLLECTORS: Here is a mixed grouping of natural rocks and stones, each with its own character. A worthwhile find for lapidary hobbyists, collectors, and curious rock lovers. Exact pieces, sizes, and condition are

2026

MIXED LOT ROCK STONE LAPIDARY SPECIMEN GRAB BAG OF NATURAL MINERALS FOR COLLECTORS

Col. Christie Hatman AuctioneersThayer, MO

MIXED ROUGH ROCK ASSORTMENT NATURAL LAPIDARY SPECIMEN - RAW CUTTING ROUGH FOR COLLECTORS: A varied assortment of natural rough rock, this lot suits lapidary hobbyists and collectors building a cabbing or tumbling stash. The mix offers different textures and colors to explore and work with.

2026

MIXED ROUGH ROCK ASSORTMENT NATURAL LAPIDARY SPECIMEN - RAW CUTTING ROUGH FOR COLLECTORS

Col. Christie Hatman AuctioneersThayer, MO

MIXED ROUGH LOT VARIETY ROCK ROUGH LAPIDARY TUMBLING SPECIMEN: This assorted rough lot is a great pick for rockhounds and lapidary hobbyists stocking up on raw cutting material. See photos for exact pieces, sizes, and condition.

2026

MIXED ROUGH LOT VARIETY ROCK ROUGH LAPIDARY TUMBLING SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

MIXED ROUGH ROCK SPECIMEN LOT STONE LAPIDARY FOR ROCKHOUND CUTTERS: A rough rock specimen lot suited for rockhound cutters looking to work raw natural material by hand. See photos for exact contents and condition.

2026

MIXED ROUGH ROCK SPECIMEN LOT STONE LAPIDARY FOR ROCKHOUND CUTTERS

Col. Christie Hatman AuctioneersThayer, MO

MIXED ROUGH ROCK NATURAL STONE LAPIDARY SPECIMEN - COLLECTOR CABBING ROUGH LOT: This natural rough rock lot brings together a mix of stone types suited for cabbing, tumbling, or simple display in a rock collection. Collectors and lapidary artists will enjoy sorting through the va

2026

MIXED ROUGH ROCK NATURAL STONE LAPIDARY SPECIMEN - COLLECTOR CABBING ROUGH LOT

Col. Christie Hatman AuctioneersThayer, MO

MIXED LOT ROCK STONE LAPIDARY SPECIMENS - ASSORTED NATURAL MINERAL COLLECTOR GROUP: This mixed lot brings together an assortment of rock and stone lapidary specimens, ideal for collectors who love variety. Each piece offers its own natural character for display or lapidary projects.

2026

MIXED LOT ROCK STONE LAPIDARY SPECIMENS - ASSORTED NATURAL MINERAL COLLECTOR GROUP

Col. Christie Hatman AuctioneersThayer, MO

MIXED LOT ROCK STONE LAPIDARY SPECIMEN - NATURAL DISPLAY SPECIMENS FOR RESELLERS & HOBBYISTS: This variety lot combines several natural rock and stone specimens, each with its own look and texture. Ideal for collectors and hobbyists who appreciate variety in their rock and mineral finds. See p

2026

MIXED LOT ROCK STONE LAPIDARY SPECIMEN - NATURAL DISPLAY SPECIMENS FOR RESELLERS & HOBBYISTS

Col. Christie Hatman AuctioneersThayer, MO

MIXED LOT ROCK STONE SPECIMEN LAPIDARY COLLECTION - ASSORTED ROCKHOUND GROUPING: A mixed assortment of rock and stone specimens, this lot offers something for collectors and rockhounds looking to expand their collection with variety. Each piece adds its own character to the group.

2026

MIXED LOT ROCK STONE SPECIMEN LAPIDARY COLLECTION - ASSORTED ROCKHOUND GROUPING

Col. Christie Hatman AuctioneersThayer, MO

MIXED LOT ROCK STONE LAPIDARY SPECIMEN COLLECTOR GRADE ROCKHOUND DISPLAY LOT: A varied grouping of natural rock and mineral specimens offered together as one lot, well suited for collectors, resellers, or anyone starting a rock collection. See photos for exact contents and cond

2026

MIXED LOT ROCK STONE LAPIDARY SPECIMEN COLLECTOR GRADE ROCKHOUND DISPLAY LOT

Col. Christie Hatman AuctioneersThayer, MO

Natural Botryoidal Agate with Orange and Brown Hues: Natural Botryoidal Agate with Orange and Brown Hues

2026

Natural Botryoidal Agate with Orange and Brown Hues

Col. Christie Hatman AuctioneersThayer, MO

Agate and Druzy Geode Wings on Stand: Agate and druzy geode wing set on custom metal stand. 23” x 17.5” x 8”. 34 pounds.

2026

Agate and Druzy Geode Wings on Stand

Fossils & Gemstones of HoustonHouston, TX

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